package tiepbm.app.ui;

import tiepbm.app.store.activity.R;
import android.app.Notification;
import android.app.NotificationManager;
import android.app.PendingIntent;
import android.content.Context;
import android.content.Intent;

public class NotificationHelper {
   private Context mContext;
   private int NOTIFICATION_ID = 1;
   private Notification mNotification;
   private NotificationManager mNotificationManager;
   private PendingIntent mContentIntent;
   private CharSequence mContentTitle;
   public NotificationHelper(Context context)
   {
       mContext = context;
   }

   /**
    * Put the notification into the status bar
    */
   public void createNotification(String app) {
       //get the notification manager
       mNotificationManager = (NotificationManager) mContext.getSystemService(Context.NOTIFICATION_SERVICE);

       //create the notification
       int icon = android.R.drawable.stat_sys_download;
       CharSequence tickerText = mContext.getString(R.string.lblnotification)+" "+app; //Initial text that appears in the status bar
       long when = System.currentTimeMillis();
       mNotification = new Notification(icon, tickerText, when);

       //create the content which is shown in the notification pulldown
       mContentTitle = mContext.getString(R.string.lblnotification)+" "+app; //Full title of the notification in the pull down
       CharSequence contentText = "0% complete"; //Text of the notification in the pull down

       //you have to set a PendingIntent on a notification to tell the system what you want it to do when the notification is selected
       //I don't want to use this here so I'm just creating a blank one
       Intent notificationIntent = new Intent();
       mContentIntent = PendingIntent.getActivity(mContext, 0, notificationIntent, 0);

       //add the additional content and intent to the notification
       mNotification.setLatestEventInfo(mContext, mContentTitle, contentText, mContentIntent);

       //make this notification appear in the 'Ongoing events' section
       mNotification.flags = Notification.FLAG_ONGOING_EVENT;

       //show the notification
       mNotificationManager.notify(NOTIFICATION_ID, mNotification);
   }

   /**
    * Receives progress updates from the background task and updates the status bar notification appropriately
    * @param percentageComplete
    */
   public void progressUpdate(int percentageComplete) {
       //build up the new status message
       CharSequence contentText = percentageComplete + "% complete";
       //publish it to the status bar
       mNotification.setLatestEventInfo(mContext, mContentTitle, contentText, mContentIntent);
       mNotificationManager.notify(NOTIFICATION_ID, mNotification);
   }

   /**
    * called when the background task is complete, this removes the notification from the status bar.
    * We could also use this to add a new ‘task complete’ notification
    */
   public void completed()    {
       //remove the notification from the status bar
       mNotificationManager.cancel(NOTIFICATION_ID);
   }
}
